45117054 has 32 divisors (see below), whose sum is σ = 100880640. Its totient is φ = 14945976.

The previous prime is 45117049. The next prime is 45117071. The reversal of 45117054 is 45071154.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6517 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (3152520).

Almost surely, 2^45117054 is an apocalyptic number.

45117054 is an abundant number, since it is smaller than the sum of its proper divisors (55763586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45117054 is a wasteful number, since it uses less digits than its factorization.

45117054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181 (or 5175 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 45117054 is about 6716.9229562352. The cubic root of 45117054 is about 355.9974697880.

The spelling of 45117054 in words is "forty-five million, one hundred seventeen thousand, fifty-four".